Re: [hylafax-users] Failed to properly detect high-speed data carrier

[John Kosta <johnkosta@xxxxxxxxxxxxx>]

Kimble,

I have considered replacing the fax machine that produces these errors 
and will if that is the final solution.  Being new to Hylafax, I was 
worried that the machine I replace it with might also show up with the 
same errors -- then I would be in a bit of a pickle.  How do I say this 
without it coming out wrong? -- It is easy to tweak Hylafax and the 
modems via the config.  It is very difficult to decipher the problem via 
the logs (looks like a foreign language to me.)  For that reason I 
thought this was a good starting point (experts with experience might 
have some suggestions.)  I could just start swapping hardware until the 
problem goes away, but won't be able to do that in every case.

Lee,

I am getting the logs together.  I have two receiving Multitech modems 
that both have trouble receiving from this same sender.  That really 
makes it seem like I need to replace that Brother fax machine.  But, if 
that machine wasn't in an office I could control, I would be in trouble.

I appreciate both of your comments and help!

--John Kosta


Lee Howard wrote:
> Kimble,
>
> I agree with your advice.
>
> However, in this case I see an opportunity to investigate a possibility 
> of improving HylaFAX.  On the systems I administer I see a little less 
> than 1% reception errors.  Half of those are due to "failed to properly 
> detect high-speed data carrier" errors that look rather similar to the 
> log that John has posted.  I've investigated these problems on one 
> production server before, but I had to test long, long periods of 
> "random" and "occassional" errors to try to determine what was going on, 
> and in the end I found no useful result.  If John has a scenario that 
> can reproduce the problem, then maybe I can find an answer more easily 
> this way.
>
> Thanks,
>
> Lee.
>
>
> On 2005.02.03 15:10 Kimble Young wrote:
>
> > John,
> >
> > Ever considered that it might be cheaper both time and money wise to 
> > just replace the one dodgy fax machine rather than pull your hair out. 
> > You did mention it was a remote office so I assume you have some say 
> > in the matter.
> >
> > Regards,
> >
> > Kimble Young
> >
> > John Kosta wrote:
> >
> > > All,
> > >
> > > I am sorry to post this problem to the list.  I am getting the error 
> > > "Failed to properly detect high-speed data carrier" with a just 
> > > purchased Multitech MT5600ZDXV after also receiving the error with a 
> > > Multitech MT2834ZDXb (Class 2 only).  I have read through the 
> > > archives and tried several of the suggestions therein, but continue 
> > > to experience this problem.
> > >
> > > It seems I always get this error from the same fax machine, one in 
> > > use in one of our remote offices (Brother Model MFC 4800).
> > >
> > > Though we receive approximately 100 faxes per day on the Multitech 
> > > modem, we get errors on every single fax from the Brother fax 
> > > machine, and occasionally see this error from other numbers (albeit 

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